Another π-Day Ancient Maritime Flag, thanks to James Elford in the early 1800s

 

An early pioneer in signal flags, and came up with the brilliant idea of using flags to represent numbers, way back in 1823! 

https://charlestonmag.com/features/james_elford_s_19th_century_maritime_invention_allowed_sailors_to_communicate_across

Austrian Empire π-Day Flag

 

Confederate π-Day Flag

 

Using the old signal flags of the Confederacy, we can make a Pi-Day flag.  Enjoy!

https://www.history.navy.mil/research/library/online-reading-room/title-list-alphabetically/s/signals-use-navy-confederate-states.html

Ahoy! Captain Marryat's π-Day flag!

 It's only highly appropriate the Captain Marryat's original code for number's get a Pi-Day Flag!   Saluting the original sailor form the UK.  This flag is a combo for Marryat's #3, #1, and #4 flags all combined into one to represent π-Day today 2026! 

 

You can see the original numbers below in from the 10th version of his original concept work.

 

 COVER OF THE NAVAL BOOK 

 

 

 

 

 

 

 

 PLATE 1 from the book 

 

 

 The Original #1 from Greenwich Museum. 

 

 

 

 https://www.rmg.co.uk/collections/library/search/marryat%27s%20signal%20flag

 

Pi-Day Twin Flags: Howe's Pi-Day & Popham's Pi-Day Flag

 Of the original signal flags to sail upon the high seas, we have two very similar π-Day Flags based upon the signal flags of Lord Howe & Lord Popham. 

 

 

Imperial UK π-Flag

 

For that special Era when the Sun did to like totally set on the British Empire, it still dose not, but people don't like to point that out. 

General Knowledge Flag - Surrendering to Knowledge

 

A great YouTube channel, that introduces its videos with cartoon Napoleon with white flag with 'GENERAL KNOWLEDGE' written upon in.